Brake Controller Diagnostics in Morris County NJ — Find Out Why Your Trailer Brakes Are Not Responding

Your electric brakes should engage smoothly every time you press the brake pedal. If they are not engaging at all, you could have a wiring failure, a bad controller, or a problem at the brake magnets themselves. Intermittent braking is even more dangerous because you never know when the brakes will work and when they will not. If your dashboard shows a brake warning related to your trailer connection, that is your system telling you something needs attention. After installing a new brake controller, calibration and testing are required to make sure the gain settings match your trailer weight. A controller that is set too low will not stop your trailer. A controller that is set too high will lock your wheels. If the controller checks out fine but brakes still are not working, the issue may be in the drums or shoes. A complete brake system overhaul and repair can solve the problem.

We start by testing the brake controller output signal at the connector. This tells us right away if the controller is sending power to the trailer. Next we check every inch of wiring from your truck to the trailer, looking for breaks, corrosion, and bad grounds. We test the brake magnets at each wheel position to make sure they are pulling the correct amperage. If we find a ground fault or short, we isolate it and repair the damaged section. Once everything checks out electrically, we calibrate your controller settings for your trailer's weight and load. You leave with brakes that respond the way they should. Controller problems often overlap with wiring faults. We also offer electrical system testing for trailer wiring to rule out shorts and ground issues.

The cost of brake controller diagnostics depends on what we find. A simple recalibration or loose connection repair is a straightforward fix. If the controller itself needs replacement, the cost depends on whether you need a proportional or time delayed unit. Proportional controllers cost more but provide smoother, more responsive braking. If the wiring between your truck and trailer needs repair, the extent of the damage affects the price. We give you an upfront quote before we start any work. No hidden fees. Businesses with 3 or more trailers receive a 10% fleet discount on every service call.

We have over 30 years of experience diagnosing and repairing trailer braking systems. We know how proportional controllers, time delayed controllers, and integrated brake systems work inside and out. This is a family owned and operated business. We bring our mobile service directly to your location so you do not have to disconnect your trailer and drive it somewhere. We only install high quality components. We are open 7 days a week, 7AM to 7PM. We work on both commercial fleet trailers and personal trailers of every type. We bring our diagnostic tools right to your door for controller diagnostics for Boonton NJ trailers and everywhere in Morris County.